US Bridges

Dakota Avenue over Hilgers Gulch

Fair

Hughes County, South Dakota · Dakota Ave - Pierre · Structure no. 000000033112125

Built
1995
30 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
2,315
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dakota Avenue over Hilgers Gulch is a concrete continuous culvert carrying Dakota Avenue over Hilgers Gulch in Hughes County, South Dakota. It was built in 1995, so it is 30 years old, younger than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,315 vehicles a day, roughly 1% of them trucks, projected to reach 2,500 by 2032. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDakota Avenue
CrossesHilgers Gulch
LocationDakota Ave - Pierre
RouteCity Street 0
Coordinates44.36083, -100.34534
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating110.1 US tons
Inventory rating95.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,315 (2022)
Projected traffic2,500 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dakota Avenue over Hilgers Gulch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Dakota Avenue over Hilgers Gulch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Dakota Avenue over Hilgers Gulch carry?

About 2,315 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Dakota Avenue over Hilgers Gulch?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Dakota Avenue over Hilgers Gulch?

It is owned by the City or Municipal Highway Agency.